NE Parras Basin near Paredón: Early Maastrichtian, Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Decapoda - Lyreididae
Bournelyreidus paredonensis Vega et al. 2023
Malacostraca - Decapoda - Retroplumidae
Costacopluma mexicana Vega and Perrilliat 1989
Malacostraca - Decapoda - Dakoticancridae
Dakoticancer australis Rathbun 1935
unclassified
Coahuilanina difuntaensis Vega et al. 2023
Paredonius mexicanus Vega et al. 1995
see common names

Geography
Country:Mexico State/province:Coahuila
Coordinates: 25.9° North, 100.9° West (view map)
Paleocoordinates:32.2° North, 81.0° West
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
Key time interval: Early Maastrichtian
Age range of interval: 72.1 - 66 m.y. ago
Stratigraphy
Geological group:Difunta Formation:Potrerillos Member:Lower Siltstone
Lithology and environment
Primary lithology: lithified sandstone
Environment:basinal (siliciclastic)
Taphonomy
Modes of preservation:body,concretion
Size of fossils:macrofossils
Articulated whole bodies:some
Collection methods and comments
Collection excludes:difficult macrofossils
Collection methods:mechanical,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: stored in the Colección de Paleontología, Museo del Desierto, Saltillo, Coahuila, Mexico
Metadata
Database number:233862
Authorizer:M. Clapham Enterer:J. Fearon
Research group:marine invertebrate
Created:2024-03-05 02:53:40 Last modified:2024-03-05 02:53:40
Access level:the public Released:2024-03-05 02:53:40
Creative Commons license:CC BY
Reference information

Primary reference:
87711. F. J. Vega, T. Nyborg, and A. Garassino. 2023. New frog crabs (Brachyura, Raninoidea) from the early Maastrichtian of Paredón (Coahuila, NE Mexico). Journal of South American Earth Sciences 134(104746) [M. Clapham/J. Fearon/J. Fearon]